2 Visual Components Manuals

Introduction to Visual Components 2.3
3.3.8.23 Saving Settings − VA_SaveSettings
Used to store contrast and brightness settings on the PP100.
3.3.8.23.1 Parameter
I/O Parameter Type Meaning
IN enable BOOL This function is only executed if enable is TRUE.
IN VCHandle UDINT The handle returned by VA_Setup
IN uiAction UINT 1...Store
2...Check whether storing is active
OUT Return Value UINT 1 = Storing is currently running, 0 = Store successful, >= 1 Error
3.3.8.23.2 Example for Automation Basic
(* cyclic program *)
if ready 1 then
VC_HANDLE = VA_Setup(1 "vga") ,
VC_HANDLE if 0 then
ready = 1
endif
endif
if ready = 1 then
if VA_Saccess(1,VC_HANDLE)= 0 then
if StartSaving=1 then
Status=VA_SaveSettings (1,VC_HANDLE,2)
if Status=0 then
Status=VA_SaveSettings(1,VC_HANDLE,1)
StartSaving=0
endif
endif
VA_Srelease(1,VC_HANDLE)
endif
endif
3.3.8.23.3 Example for C Programming
#include
#include
#include
UINT _GLOBAL ready;
unsigned long VC_HANDLE;
UINT _GLOBAL Status;
BOOL _GLOBAL StartSaving;
_CYCLIC void Cyclic(void)
{
if (!ready)
{
VC_HANDLE = VA_Setup(1 "vga"); ,
if (VC_HANDLE)
ready = 1;
}
if (ready)
{
if (!VA_Saccess(1,VC_HANDLE))
{
if (StartSaving)
{
Status=VA_SaveSettings (1,VC_HANDLE,2);
if(!Status)
{
Status=VA_SaveSettings (1,VC_HANDLE,1);
StartSaving=0;
}
}
VA_Srelease (1,VC_HANDLE);
}
}
3.3.8.23 Saving Settings − VA_SaveSettings 159